Makefile/gcc problem -'cc1plus'

I was trying to install the algorithm animation software: POLKA, but for some reason, the gcc compiler gives me an error when I run the Makefile:

gcc -I. -I/usr/include/X11 -c polkawidgetathena.C
gcc: installation problem, cannot exec `cc1plus': No such file or directory

      I don't see why it's trying to run 'cc1plus', there's nothing in the Makefile with this, and nothing in the .C file either.  Any ideas where it's getting this from, and how I can get by it?
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ahoffmannConnect With a Mentor Commented:
Your file extension is .C (capital C), so gcc asumes a C++ file and calls cc1plus.
Fix your gcc installation (including PATH), or rename your file if it is traditional c
sackeriAuthor Commented:
That was it!  Thanks a lot ahoffmann.
I am getting the exact error sackeri was getting except i am using c++.

How should I go about fixing my gcc installation?

Oh, and here is another question:  I have heard that I should use g++ command to compile c++ software.  My gcc command works but the g++ command is not found.

Any ideas?
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